On Mon, Nov 02, 2015 at 05:26:41PM +0800, Haozhong Zhang wrote: > A new subsection 'vmstate_tsc_khz' is added to migrate vcpu's TSC > rate. For the backwards compatibility, this subsection is not migrated > on pc-*-2.4 and older machine types. > > Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx> > --- > hw/i386/pc.c | 1 + > hw/i386/pc_piix.c | 1 + > hw/i386/pc_q35.c | 1 + > include/hw/i386/pc.h | 1 + > target-i386/cpu.h | 1 + > target-i386/machine.c | 21 +++++++++++++++++++++ > 6 files changed, 26 insertions(+) > > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 0cb8afd..2f2fc93 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1952,6 +1952,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) > HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); > > pcmc->get_hotplug_handler = mc->get_hotplug_handler; > + pcmc->save_tsc_khz = true; > mc->get_hotplug_handler = pc_get_hotpug_handler; > mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id; > mc->default_boot_order = "cad"; > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > index 393dcc4..fc71321 100644 > --- a/hw/i386/pc_piix.c > +++ b/hw/i386/pc_piix.c > @@ -487,6 +487,7 @@ static void pc_i440fx_2_4_machine_options(MachineClass *m) > m->alias = NULL; > m->is_default = 0; > pcmc->broken_reserved_end = true; > + pcmc->save_tsc_khz = false; > SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); > } > > diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c > index 2f8f396..858ed69 100644 > --- a/hw/i386/pc_q35.c > +++ b/hw/i386/pc_q35.c > @@ -385,6 +385,7 @@ static void pc_q35_2_4_machine_options(MachineClass *m) > pc_q35_2_5_machine_options(m); > m->alias = NULL; > pcmc->broken_reserved_end = true; > + pcmc->save_tsc_khz = false; I had suggested the PCMachineClass field, but now I've been thinking: all other fields related to tsc_khz are in X86CPU, so I believe this belongs to X86CPU too. It could be a simple X86CPU property set by PC_COMPAT_2_4. -- Eduardo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
